gtpu: use explicit types in api

Type: fix
Signed-off-by: Ole Troan <ot@cisco.com>
Change-Id: I16fcbd5e63526dbf062a3032701479324fe2a4f5

6 files changed, 83 insertions, 78 deletions

diff --git a/src/plugins/gtpu/gtpu.api b/src/plugins/gtpu/gtpu.api
index b5f4f029c53..052e6a292d7 100644
--- a/src/plugins/gtpu/gtpu.api
+++ b/src/plugins/gtpu/gtpu.api
@@ -13,13 +13,14 @@
  * limitations under the License.
  */
 
-option version = "1.0.0";
+option version = "2.0.0";
+import "vnet/interface_types.api";
+import "vnet/ip/ip_types.api";
 
 /** \brief Set or delete an GTPU tunnel
     @param client_index - opaque cookie to identify the sender
     @param context - sender context, to match reply w/ request
     @param is_add - add address if non-zero, else delete
-    @param is_ipv6 - src_address and dst_address is ipv6 or not
     @param src_address - GTPU tunnel's source address.
     @param dst_address - GTPU tunnel's destination address.
     @param mcast_sw_if_index - version, O-bit and C-bit (see nsh_packet.h)
@@ -31,11 +32,10 @@ define gtpu_add_del_tunnel
 {
   u32 client_index;
   u32 context;
-  u8 is_add;
-  u8 is_ipv6;
-  u8 src_address[16];
-  u8 dst_address[16];
-  u32 mcast_sw_if_index;
+  bool is_add;
+  vl_api_address_t src_address;
+  vl_api_address_t dst_address;
+  vl_api_interface_index_t mcast_sw_if_index;
   u32 encap_vrf_id;
   u32 decap_next_index;
   u32 teid;
@@ -51,7 +51,7 @@ define gtpu_add_del_tunnel_reply
 {
   u32 context;
   i32 retval;
-  u32 sw_if_index;
+  vl_api_interface_index_t sw_if_index;
 };
 
 /** \brief Dump GTPU tunnel
@@ -63,14 +63,13 @@ define gtpu_tunnel_dump
 {
   u32 client_index;
   u32 context;
-  u32 sw_if_index;
+  vl_api_interface_index_t sw_if_index;
   option vat_help = "[<intfc> | sw_if_index <nn>]";
 };
 
 /** \brief dump details of an GTPU tunnel
     @param context - sender context, to match reply w/ request
     @param sw_if_index - software index of the interface
-    @param is_ipv6 - src_address and dst_address is ipv6 or not
     @param src_address - GTPU tunnel's source address.
     @param dst_address - GTPU tunnel's destination address.
     @param mcast_sw_if_index - version, O-bit and C-bit (see nsh_packet.h)
@@ -81,11 +80,10 @@ define gtpu_tunnel_dump
 define gtpu_tunnel_details
 {
   u32 context;
-  u32 sw_if_index;
-  u8 is_ipv6;
-  u8 src_address[16];
-  u8 dst_address[16];
-  u32 mcast_sw_if_index;
+  vl_api_interface_index_t sw_if_index;
+  vl_api_address_t src_address;
+  vl_api_address_t dst_address;
+  vl_api_interface_index_t mcast_sw_if_index;
   u32 encap_vrf_id;
   u32 decap_next_index;
   u32 teid;
@@ -102,9 +100,9 @@ autoreply define sw_interface_set_gtpu_bypass
 {
   u32 client_index;
   u32 context;
-  u32 sw_if_index;
-  u8 is_ipv6;
-  u8 enable;
+  vl_api_interface_index_t sw_if_index;
+  bool is_ipv6;
+  bool enable;
   option vat_help = "<intfc> | sw_if_index <id> [ip4 | ip6] [enable | disable]";
 };
 
diff --git a/src/plugins/gtpu/gtpu.c b/src/plugins/gtpu/gtpu.c
index dc5c689f5d3..8a1610c97e7 100644
--- a/src/plugins/gtpu/gtpu.c
+++ b/src/plugins/gtpu/gtpu.c
@@ -379,7 +379,7 @@ int vnet_gtpu_add_del_tunnel
   u32 sw_if_index = ~0;
   gtpu4_tunnel_key_t key4;
   gtpu6_tunnel_key_t key6;
-  u32 is_ip6 = a->is_ip6;
+  bool is_ip6 = !ip46_address_is_ip4 (&a->dst);
 
   if (!is_ip6)
     {
@@ -820,7 +820,6 @@ gtpu_add_del_tunnel_command_fn (vlib_main_t * vm,
   clib_memset (a, 0, sizeof (*a));
 
   a->is_add = is_add;
-  a->is_ip6 = ipv6_set;
 
 #define _(x) a->x = x;
   foreach_copy_field;
diff --git a/src/plugins/gtpu/gtpu.h b/src/plugins/gtpu/gtpu.h
index 7296ece5b7c..dc36308d8a8 100644
--- a/src/plugins/gtpu/gtpu.h
+++ b/src/plugins/gtpu/gtpu.h
@@ -245,7 +245,6 @@ u8 *format_gtpu_encap_trace (u8 * s, va_list * args);
 typedef struct
 {
   u8 is_add;
-  u8 is_ip6;
   ip46_address_t src, dst;
   u32 mcast_sw_if_index;
   u32 encap_fib_index;
diff --git a/src/plugins/gtpu/gtpu_api.c b/src/plugins/gtpu/gtpu_api.c
index 77ae3349721..0c4a31521bb 100644
--- a/src/plugins/gtpu/gtpu_api.c
+++ b/src/plugins/gtpu/gtpu_api.c
@@ -24,9 +24,10 @@
 
 #include <vppinfra/byte_order.h>
 #include <vlibmemory/api.h>
-
+#include <vnet/ip/ip_types_api.h>
 #include <gtpu/gtpu.h>
 
+#include <vnet/format_fns.h>
 #include <gtpu/gtpu.api_enum.h>
 #include <gtpu/gtpu.api_types.h>
 
@@ -67,14 +68,13 @@ static void vl_api_gtpu_add_del_tunnel_t_handler
 
   vnet_gtpu_add_del_tunnel_args_t a = {
     .is_add = mp->is_add,
-    .is_ip6 = mp->is_ipv6,
     .mcast_sw_if_index = ntohl (mp->mcast_sw_if_index),
     .encap_fib_index = p[0],
     .decap_next_index = ntohl (mp->decap_next_index),
     .teid = ntohl (mp->teid),
-    .dst = to_ip46 (mp->is_ipv6, mp->dst_address),
-    .src = to_ip46 (mp->is_ipv6, mp->src_address),
   };
+  ip_address_decode (&mp->dst_address, &a.dst);
+  ip_address_decode (&mp->src_address, &a.src);
 
   /* Check src & dst are different */
   if (ip46_address_cmp (&a.dst, &a.src) == 0)
@@ -113,23 +113,19 @@ static void send_gtpu_tunnel_details
   rmp = vl_msg_api_alloc (sizeof (*rmp));
   clib_memset (rmp, 0, sizeof (*rmp));
   rmp->_vl_msg_id = ntohs (VL_API_GTPU_TUNNEL_DETAILS + gtm->msg_id_base);
-  if (is_ipv6)
-    {
-      memcpy (rmp->src_address, t->src.ip6.as_u8, 16);
-      memcpy (rmp->dst_address, t->dst.ip6.as_u8, 16);
-      rmp->encap_vrf_id = htonl (im6->fibs[t->encap_fib_index].ft_table_id);
-    }
-  else
-    {
-      memcpy (rmp->src_address, t->src.ip4.as_u8, 4);
-      memcpy (rmp->dst_address, t->dst.ip4.as_u8, 4);
-      rmp->encap_vrf_id = htonl (im4->fibs[t->encap_fib_index].ft_table_id);
-    }
+
+  ip_address_encode (&t->src, is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
+		     &rmp->src_address);
+  ip_address_encode (&t->dst, is_ipv6 ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
+		     &rmp->dst_address);
+
+  rmp->encap_vrf_id =
+    is_ipv6 ? htonl (im6->fibs[t->encap_fib_index].ft_table_id) :
+    htonl (im4->fibs[t->encap_fib_index].ft_table_id);
   rmp->mcast_sw_if_index = htonl (t->mcast_sw_if_index);
   rmp->teid = htonl (t->teid);
   rmp->decap_next_index = htonl (t->decap_next_index);
   rmp->sw_if_index = htonl (t->sw_if_index);
-  rmp->is_ipv6 = is_ipv6;
   rmp->context = context;
 
   vl_api_send_msg (reg, (u8 *) rmp);
diff --git a/src/plugins/gtpu/gtpu_test.c b/src/plugins/gtpu/gtpu_test.c
index 36f4a8e1e49..55c5363becc 100644
--- a/src/plugins/gtpu/gtpu_test.c
+++ b/src/plugins/gtpu/gtpu_test.c
@@ -18,10 +18,12 @@
 #include <vlibmemory/api.h>
 #include <vppinfra/error.h>
 #include <gtpu/gtpu.h>
+#include <vnet/ip/ip_types_api.h>
 
 #define __plugin_msg_base gtpu_test_main.msg_id_base
 #include <vlibapi/vat_helper_macros.h>
 
+#include <vnet/format_fns.h>
 #include <gtpu/gtpu.api_enum.h>
 #include <gtpu/gtpu.api_types.h>
 
@@ -299,22 +301,15 @@ api_gtpu_add_del_tunnel (vat_main_t * vam)
 
   M (GTPU_ADD_DEL_TUNNEL, mp);
 
-  if (ipv6_set)
-    {
-      clib_memcpy (mp->src_address, &src.ip6, sizeof (src.ip6));
-      clib_memcpy (mp->dst_address, &dst.ip6, sizeof (dst.ip6));
-    }
-  else
-    {
-      clib_memcpy (mp->src_address, &src.ip4, sizeof (src.ip4));
-      clib_memcpy (mp->dst_address, &dst.ip4, sizeof (dst.ip4));
-    }
+  ip_address_encode(&src, ipv6_set ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
+		    &mp->src_address);
+  ip_address_encode(&dst, ipv6_set ? IP46_TYPE_IP6 : IP46_TYPE_IP4,
+		    &mp->dst_address);
   mp->encap_vrf_id = ntohl (encap_vrf_id);
   mp->decap_next_index = ntohl (decap_next_index);
   mp->mcast_sw_if_index = ntohl (mcast_sw_if_index);
   mp->teid = ntohl (teid);
   mp->is_add = is_add;
-  mp->is_ipv6 = ipv6_set;
 
   S (mp);
   W (ret);
@@ -325,9 +320,10 @@ static void vl_api_gtpu_tunnel_details_t_handler
   (vl_api_gtpu_tunnel_details_t * mp)
 {
   vat_main_t *vam = &vat_main;
-  ip46_address_t src = to_ip46 (mp->is_ipv6, mp->dst_address);
-  ip46_address_t dst = to_ip46 (mp->is_ipv6, mp->src_address);
-
+  ip46_address_t src;
+  ip46_address_t dst;
+  ip_address_decode(&mp->dst_address, &dst);
+  ip_address_decode(&mp->src_address, &src);
   print (vam->ofp, "%11d%24U%24U%14d%18d%13d%19d",
        ntohl (mp->sw_if_index),
        format_ip46_address, &src, IP46_TYPE_ANY,
diff --git a/src/plugins/gtpu/test/test_gtpu.py b/src/plugins/gtpu/test/test_gtpu.py
index b6a7012966a..e6d9c9e0598 100644
--- a/src/plugins/gtpu/test/test_gtpu.py
+++ b/src/plugins/gtpu/test/test_gtpu.py
@@ -74,31 +74,39 @@ class TestGtpuUDP(VppTestCase):
         """ test UDP ports
         Check if there are no udp listeners before gtpu is enabled
         """
-
         # UDP ports should be disabled unless a tunnel is configured
         self._check_udp_port_ip4(False)
         self._check_udp_port_ip6(False)
 
-        r = self.vapi.gtpu_add_del_tunnel(src_addr=self.pg0.local_ip4n,
-                                          dst_addr=self.pg0.remote_ip4n)
+        r = self.vapi.gtpu_add_del_tunnel(is_add=True,
+                                          mcast_sw_if_index=0xFFFFFFFF,
+                                          decap_next_index=0xFFFFFFFF,
+                                          src_address=self.pg0.local_ip4,
+                                          dst_address=self.pg0.remote_ip4)
 
         # UDP port 2152 enabled for ip4
         self._check_udp_port_ip4()
 
-        r = self.vapi.gtpu_add_del_tunnel(is_ipv6=1,
-                                          src_addr=self.pg0.local_ip6n,
-                                          dst_addr=self.pg0.remote_ip6n)
+        r = self.vapi.gtpu_add_del_tunnel(is_add=True,
+                                          mcast_sw_if_index=0xFFFFFFFF,
+                                          decap_next_index=0xFFFFFFFF,
+                                          src_address=self.pg0.local_ip6,
+                                          dst_address=self.pg0.remote_ip6)
 
         # UDP port 2152 enabled for ip6
         self._check_udp_port_ip6()
 
-        r = self.vapi.gtpu_add_del_tunnel(is_add=0,
-                                          src_addr=self.pg0.local_ip4n,
-                                          dst_addr=self.pg0.remote_ip4n)
+        r = self.vapi.gtpu_add_del_tunnel(is_add=False,
+                                          mcast_sw_if_index=0xFFFFFFFF,
+                                          decap_next_index=0xFFFFFFFF,
+                                          src_address=self.pg0.local_ip4,
+                                          dst_address=self.pg0.remote_ip4)
 
-        r = self.vapi.gtpu_add_del_tunnel(is_add=0, is_ipv6=1,
-                                          src_addr=self.pg0.local_ip6n,
-                                          dst_addr=self.pg0.remote_ip6n)
+        r = self.vapi.gtpu_add_del_tunnel(is_add=False,
+                                          mcast_sw_if_index=0xFFFFFFFF,
+                                          decap_next_index=0xFFFFFFFF,
+                                          src_address=self.pg0.local_ip6,
+                                          dst_address=self.pg0.remote_ip6)
 
 
 class TestGtpu(BridgeDomain, VppTestCase):
@@ -235,10 +243,12 @@ class TestGtpu(BridgeDomain, VppTestCase):
                                            INVALID_INDEX)],
                              register=False)
             rip.add_vpp_config()
-            dest_ip4n = socket.inet_pton(socket.AF_INET, dest_ip4)
             r = cls.vapi.gtpu_add_del_tunnel(
-                src_addr=cls.pg0.local_ip4n,
-                dst_addr=dest_ip4n,
+                is_add=True,
+                mcast_sw_if_index=0xFFFFFFFF,
+                decap_next_index=0xFFFFFFFF,
+                src_address=cls.pg0.local_ip4,
+                dst_address=dest_ip4,
                 teid=teid)
             cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index,
                                                 bd_id=teid)
@@ -254,8 +264,9 @@ class TestGtpu(BridgeDomain, VppTestCase):
         teid_end = teid_start + n_shared_dst_tunnels
         for teid in range(teid_start, teid_end):
             r = cls.vapi.gtpu_add_del_tunnel(
-                src_addr=cls.pg0.local_ip4n,
-                dst_addr=cls.mcast_ip4n,
+                decap_next_index=0xFFFFFFFF,
+                src_address=cls.pg0.local_ip4,
+                dst_address=cls.mcast_ip4,
                 mcast_sw_if_index=1,
                 teid=teid,
                 is_add=is_add)
@@ -278,12 +289,13 @@ class TestGtpu(BridgeDomain, VppTestCase):
         n_distinct_dst_tunnels = 20
         ip_range_start = 10
         ip_range_end = ip_range_start + n_distinct_dst_tunnels
-        for dest_ip4n in ip4n_range(cls.mcast_ip4n, ip_range_start,
-                                    ip_range_end):
-            teid = bytearray(dest_ip4n)[3]
+        for dest_ip4 in ip4_range(cls.mcast_ip4, ip_range_start,
+                                  ip_range_end):
+            teid = int(dest_ip4.split('.')[3])
             cls.vapi.gtpu_add_del_tunnel(
-                src_addr=cls.pg0.local_ip4n,
-                dst_addr=dest_ip4n,
+                decap_next_index=0xFFFFFFFF,
+                src_address=cls.pg0.local_ip4,
+                dst_address=dest_ip4,
                 mcast_sw_if_index=1,
                 teid=teid,
                 is_add=is_add)
@@ -331,8 +343,11 @@ class TestGtpu(BridgeDomain, VppTestCase):
             #  into BD.
             cls.single_tunnel_bd = 11
             r = cls.vapi.gtpu_add_del_tunnel(
-                src_addr=cls.pg0.local_ip4n,
-                dst_addr=cls.pg0.remote_ip4n,
+                is_add=True,
+                mcast_sw_if_index=0xFFFFFFFF,
+                decap_next_index=0xFFFFFFFF,
+                src_address=cls.pg0.local_ip4,
+                dst_address=cls.pg0.remote_ip4,
                 teid=cls.single_tunnel_bd)
             cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index,
                                                 bd_id=cls.single_tunnel_bd)
@@ -345,9 +360,11 @@ class TestGtpu(BridgeDomain, VppTestCase):
             cls.create_gtpu_flood_test_bd(cls.mcast_flood_bd,
                                           cls.n_ucast_tunnels)
             r = cls.vapi.gtpu_add_del_tunnel(
-                src_addr=cls.pg0.local_ip4n,
-                dst_addr=cls.mcast_ip4n,
+                is_add=True,
+                src_address=cls.pg0.local_ip4,
+                dst_address=cls.mcast_ip4,
                 mcast_sw_if_index=1,
+                decap_next_index=0xFFFFFFFF,
                 teid=cls.mcast_flood_bd)
             cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index,
                                                 bd_id=cls.mcast_flood_bd)